//  Copyright (C) 2002 Regents of the University of Michigan, portions used with permission 
//  For more information, see http://csem.engin.umich.edu/tools/swmf
//=======================================
//$Id$
//=======================================
//atomic data for species used in simulations

#ifndef CONSTANTS_ATOMICDATA_H_
#define CONSTANTS_ATOMICDATA_H_

#define _AMU_ 1.66053886E-27
#define _ELECTRON__MASS_ (0.000548579909*_AMU_)


/*-------------------------  H  --------------------------------*/
#define _H__MASS_ _AMU_

/*-------------------------  END H  --------------------------------*/

#define _H2__MASS_ (2.0*_AMU_)
#define _OH__MASS_ (17.0*_AMU_)



/*-------------------------  H2O  ------------------------------*/
#define _H2O__MASS_ 2.99151E-26

/*-------------------------  END H2O  ------------------------------*/



/*------------------------  NA ---------------------------------*/
#define _NA__MASS_ 3.81755E-26


/*------------------------  END NA ---------------------------------*/


/*-------------------------  O2  ------------------------------*/
#define _O2__MASS_ (32*_AMU_)

/*-------------------------  END O2  ------------------------------*/

/*-------------------------  S  ------------------------------*/
#define _S__MASS_ (32*_AMU_)

/*-------------------------  END S  ------------------------------*/

/*-------------------------  O  ------------------------------*/
#define _O__MASS_ (16*_AMU_)

/*-------------------------  END O  ------------------------------*/


/*-------------------------  C  ------------------------------*/
#define _C__MASS_ (12*_AMU_)

/*-------------------------  END C  ------------------------------*/

/*-------------------------  CO  ------------------------------*/
#define _CO__MASS_ (28*_AMU_)

/*-------------------------  CO2  ------------------------------*/
#define _CO2__MASS_ (44*_AMU_)

/*-------------------------  END CO  ------------------------------*/

#define _N2__MASS_ (28*_AMU_)
#define _N__MASS_ (14*_AMU_)

#endif /* CONSTANTS_ATOMICDATA_H_ */
